Answer
No. This does not violate the law of conservation of mass. In this case, kinetic energy generated during the collision of high speed particles is converted into mass ($E = mc^{2}$). But energy also has mass, and the total mass, from particles and energy, in the closed system is conserved.
Work Step by Step
No. This does not violate the law of conservation of mass. In this case, kinetic energy generated during the collision of high speed particles is converted into mass ($E = mc^{2}$). But energy also has mass, and the total mass, from particles and energy, in the closed system is conserved.
